Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KG4WWJ callsign genealogy
Currently held by Sawicki, Felix J
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by KG4WWJ's current licensee, walking backwards.
- Sawicki, Felix JFLgranted 1994-02-15cancelled 2003-01-16
Successor callsigns
Callsigns held now by people who previously held KG4WWJ.
- Sawicki, Felix JFLgranted 2024-11-26